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Misleading Register Alert event notification on 15.04.19

Following a clean-up exercise of event information regarding (previously) revoked patents, that were later reinstated, some existing revocation events ("Despatch of communication that patent is revoked") were duplicated on 15.04.2019.

2019.04.15

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European Patent Register Assistant updated

In order to offer you the best possible learning experience we have launched an updated version of the European Patent Register Assistant online tutorial to include recent changes in the Register.

2019.08.29

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Extract from the Register of European Patents

Citations: EP0813379

Cited inInternational search
Type:Patent literature
Publication No.:US4274169  [X]
 ;
Type:Patent literature
Publication No.:US4541137  [X]
 ;
Type:Patent literature
Publication No.:US5231714  [Y]
 ;
Type:Patent literature
Publication No.:NO144509B  [Y]
 (WESTNOFA IND AS [NO]);
Type:Patent literature
Publication No.:NO149198B  [Y]
Cited inExamination
Type:Non-patent literature
Publication information:   - Drawing filed on 01.03.99 with letter of 26.02.99 and showing the closest prior art.
Cited inOpposition
Type:Patent literature
Publication No.:DE2536882  
Type:Patent literature
Publication No.:SE505654  
Type:Patent literature
Publication No.:US4389743  
Type:Patent literature
Publication No.:US5136741  
Type:Patent literature
Publication No.:WO9505767